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Re: [PATCH 2/3] commit-queue: LIFO or priority queue of commits

From
Eric Sunshine <sunshine@sunshineco.com>
Date
Jun 7, 2013, 05:29 UTC
Message-ID
<CAPig+cQetpnYWv6OZnYfK9-gz2L86KdCFvBS7GfEE3dxN9-Qvw@mail.gmail.com>
In-Reply-To
<1370581872-31580-3-git-send-email-gitster@pobox.com>
On Fri, Jun 7, 2013 at 1:11 AM, Junio C Hamano <gitster@pobox.com> wrote:
> Traditionally we used a singly linked list of commits to hold a set
> of in-flight commits while traversing history.  The most typical use
> of the list is to insert commit that is newly discovered in it, keep
s/commit/a commit/
Also, "in it" is perhaps implied by "insert", so s/in it// may be appropriate.
Show 10 quoted lines
> it sorted by commit timestamp, pick up the newest one from the list,
> and keep digging.  The cost of keeping the singly linked list sorted
> is nontrivial, and this typical use pattern better matches a priority
> queue.
>
> Introduce a commit-queue structure, that can be used either as a
> LIFO stack, or a priority queue.  This will be used in the next
> patch to hold in-flight commits during sort-in-topological-order.
>
> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Previous: Junio C HamanoNext: Junio C Hamano
Message 17 of 51 in “add --authorship-order flag to git log / rev-list”
  1. add --authorship-order flag to git log / rev-listelliottcable, Jun 4, 2013
  2. rev-list: add --authorship-order alternative orderingelliottcable, Jun 4, 2013
  3. Junio C HamanoJun 4, 2013
  4. Junio C HamanoJun 4, 2013
  5. Elliott CableJun 6, 2013
  6. Junio C HamanoJun 6, 2013
  7. Elliott CableJun 6, 2013
  8. Junio C HamanoJun 6, 2013
  9. Junio C HamanoJun 6, 2013
  10. toposort: rename "lifo" fieldJunio C Hamano, Jun 6, 2013
  11. Junio C HamanoJun 7, 2013
  12. 0/3 Preparing for --date-order=authorJunio C Hamano, Jun 7, 2013
  13. 1/3 toposort: rename "lifo" fieldJunio C Hamano, Jun 7, 2013
  14. Eric SunshineJun 7, 2013
  15. Junio C HamanoJun 7, 2013
  16. 2/3 commit-queue: LIFO or priority queue of commitsJunio C Hamano, Jun 7, 2013
  17. Eric SunshineJun 7, 2013
  18. 3/3 sort-in-topological-order: use commit-queueJunio C Hamano, Jun 7, 2013
  19. 0/4 log --author-date-orderJunio C Hamano, Jun 9, 2013
  20. 1/4 toposort: rename "lifo" fieldJunio C Hamano, Jun 9, 2013
  21. Eric SunshineJun 10, 2013
  22. Jeff KingJun 10, 2013
  23. 2/4 commit-queue: LIFO or priority queue of commitsJunio C Hamano, Jun 9, 2013
  24. Jeff KingJun 10, 2013
  25. Junio C HamanoJun 10, 2013
  26. Jeff KingJun 10, 2013
  27. Junio C HamanoJun 10, 2013
  28. Jeff KingJun 10, 2013
  29. Junio C HamanoJun 10, 2013
  30. Jeff KingJun 11, 2013
  31. Junio C HamanoJun 11, 2013
  32. 0/4 log --author-date-orderJunio C Hamano, Jun 11, 2013
  33. 1/4 toposort: rename "lifo" fieldJunio C Hamano, Jun 11, 2013
  34. 2/4 prio-queue: priority queue of pointers to structsJunio C Hamano, Jun 11, 2013
  35. 3/4 sort-in-topological-order: use prio-queueJunio C Hamano, Jun 11, 2013
  36. 4/4 log: --author-date-orderJunio C Hamano, Jun 11, 2013
  37. 3/4 sort-in-topological-order: use commit-queueJunio C Hamano, Jun 9, 2013
  38. Junio C HamanoJun 9, 2013
  39. Jeff KingJun 10, 2013
  40. Junio C HamanoJun 10, 2013
  41. Jeff KingJun 10, 2013
  42. 4/4 log: --author-date-orderJunio C Hamano, Jun 9, 2013
  43. Jeff KingJun 10, 2013
  44. Junio C HamanoJun 10, 2013
  45. Jeff KingJun 10, 2013
  46. Junio C HamanoJun 20, 2013
  47. Jeff KingJun 20, 2013
  48. Eric SunshineJun 7, 2013
  49. Jeff KingJun 4, 2013
  50. Junio C HamanoJun 4, 2013
  51. Elliott CableJun 6, 2013

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